Material preparation: The main material of beer bottle cap is iron, tin, aluminum and other metal materials, which need preliminary processing, such as cutting, curling and cleaning.
Stamping forming: the pretreated metal plate is put into a punch, and the metal plate is molded by a stamping die, and the shape of the beer bottle cap is obtained after molding.
Surface treatment: the surface treatment of the molded beer bottle cap includes cleaning, degreasing and painting to improve its appearance and quality.
Inspection and packaging: inspect and test the processed beer bottle caps, such as size, quality and appearance. Qualified beer bottles are packaged, usually packaged and sold in the form of rolls or boxes.
The above is the general process of beer bottle cap manufacturing, and the specific production technology and materials may vary from manufacturer to region.